It is still a new app and has some flaws, but it is worth checking out.

It uses the GPS on your phone to:
- track every run you take on the mountain
- track your top speed
- it lets you see where your friends are at on the mountain
- a bunch of other stuff I have not explored yet

Add me as a friend if you get it - WakeboardPGH. Maybe I'll see you guys out there at 7springs or on my trips to Wolf Creek, Silverton, Telluride and Breck this year.